Electronic apparatus and method for managing content

1. An electronic apparatus comprising: a display; a storage that stores a first content, a second content, a third content, and a fourth content, the first content being created by a first application in a first time period, the second content being created by a second application different from the first application in the first time period, the third content being created by the first application in a second time period after the first time period, the fourth content being created by the second application in the second time period; and a hardware processor that displays on the display a first thumbnail of the first content, a second thumbnail of the second content, a third thumbnail of the third content and a fourth thumbnail of the fourth content, on the basis of the first application, wherein: the first application is one of an application to input handwriting, an application to capture an image, an application to record voice, and an application to clip a part of a document, and has a function for cooperating with the second application; the second application is another one of the application to input handwriting, the application to capture an image, the application to record voice and the application to clip a part of a document; the second application is different from the first application; the first to fourth thumbnails are arranged two-dimensionally according to a first direction and a second direction; the first direction represents a chronological order; the second direction is perpendicular to the first direction; both the first and second thumbnails are arranged in accordance with a first display region on the first direction; both the third and fourth thumbnails are arranged in accordance with a second display region on the first direction, the second display region being adjacent to the first display region; the first and second thumbnails are arranged along a second direction; the third and fourth thumbnails are arranged along the second direction, the second application has a function of saving the second content and the fourth content into a first storage region for the second application in the storage, and a function of saving a copy of the second content and a copy of the fourth content into a second storage region in the storage, the second storage region being a storage region that is shared by the first application and the second application, the first application has a function of obtaining the copy of the second content and the copy of the fourth content that are saved into the second storage region, a function of saving the copy of the second content and the copy of the fourth content into a third storage region for the first application in the storage, a function of displaying the first thumbnail of the first content that is created by the first application in the first time period and the second thumbnail of the second content that is created by the second application in the first time period on the first display region in a chronological order, and a function of displaying the third thumbnail of the third content that is created by the first application in the second time period and the fourth thumbnail of the fourth content that is created by the second application in the second time period on the second display region in a chronological order, the first thumbnail, the second thumbnail, the third thumbnail, and the fourth thumbnail being displayed two-dimensionally, and the functions of the first and second application are executed by the hardware processor.

2. The electronic apparatus of claim 1 , wherein the second application is the application to record voice, and the second and fourth thumbnails each include at least part of meta data of voice and an icon indicating a kind of recording data, wherein the meta data includes a recording date of the voice, when one of the second thumbnail or the fourth thumbnail is taped, details of meta data corresponding to the one of the second thumbnail or the fourth thumbnail are displayed.

3. The electronic apparatus of claim 1 , wherein the storage further stores a fifth content created by the second application in the first time period and a sixth content created by the second application in the second time period, the hardware processor is further configured to display the second thumbnail, the fourth thumbnail, a fifth thumbnail of the fifth content and a sixth thumbnail of the sixth content on the display to arrange the second thumbnail, the fourth thumbnail, the fifth thumbnail and the sixth thumbnail two-dimensionally if the hardware processor receives, from a filtering operation in the first application, a user operation for displaying only contents created by the second application, both the second and fifth thumbnails that are created in the first time period are arranged in accordance with the first display region on the first direction, both the fourth and sixth thumbnails that are created in the second time period are arranged in accordance with the second display region on the first direction, in the first display region, the second and fifth thumbnails are arranged along the second direction in a chronological order, and in the second display region, the fourth and sixth thumbnails are arranged along the second direction in a chronological order.

4. The electronic apparatus of claim 1 , wherein the first application is the application to input handwriting, and the hardware processor enlarges a content corresponding to one of the thumbnails that is selected in accordance with a user's tap operation on the display, displays the enlarged content on a preview screen, edits the content by writing a handwritten stroke on the enlarged content on the basis of a user's handwriting operation, and changes the selected one of the thumbnails to an image of handwriting included in the content.

5. A method executed by an electronic apparatus including a hardware processor, the method comprising: obtaining first to fourth contents in a storage medium, the first content being created by a first application in a first time period, the second content being created by a second application different from the first application in the first time period, the third content being created by the first application in a second time period after the first time period, the fourth content being created by the second application in the second time period; and displaying on a display a first thumbnail of the first content, a second thumbnail of the second content, a third thumbnail of the third content and a fourth thumbnail of the fourth content, wherein: the first application is one of an application to input handwriting, an application to capture an image, an application to record voice, and an application to clip a part of a document, and has a function for cooperating with the second application; the second application is another one of the application to input handwriting, the application to capture an image, the application to record voice and the application to clip a part of a document; the first to fourth thumbnails are arranged two-dimensionally according to a first direction and a second direction, the first direction represents a chronological order; the second direction is perpendicular to the first direction; both the first and second thumbnails are arranged in accordance with a first display region on the first direction; both the third and fourth thumbnails are arranged in accordance with a second display region on the first direction, the second display region being adjacent to the first display region; the first and second thumbnails are arranged along a second direction; the third and fourth thumbnails are arranged along the second direction; the second application has a function of saving the second content and the fourth content into a first storage region for the second application in the storage, and a function of saving a copy of the second content and a copy of the fourth content into a second storage region in the storage, the second storage region being a storage region that is shared by the first application and the second application; the first application has a function of obtaining the copy of the second content and the copy of the fourth content that are saved into the second storage region, a function of saving the copy of the second content and the copy of the fourth content into a third storage region for the first application in the storage, a function of displaying the first thumbnail of the first content that is created by the first application in the first time period and the second thumbnail of the second content that is created by the second application in the first time period on the first display region in a chronological order, and a function of displaying the third thumbnail of the third content that is created by the first application in the second time period and the fourth thumbnail of the fourth content that is created by the second application in the second time period on the second display region in a chronological order, the first thumbnail, the second thumbnail, the third thumbnail, and the fourth thumbnail being displayed two-dimensionally; and the functions of the first and second application are executed by the hardware processor.

6. The method of claim 5 , wherein the second application is the application to record voice, and the second and fourth thumbnails each include at least part of meta data of voice and an icon indicating a kind of recording data, wherein the meta data includes a recording date of the voice, when one of the second thumbnail or the fourth thumbnail is taped, details of meta data corresponding to the one of the second thumbnail or the fourth thumbnail are displayed.

7. The method of claim 5 , wherein if the storage medium further stores the fifth content created by the second application in the first time period and a sixth content created by the second application in the second time period, and a user operation for displaying only contents created by the second application is received from a filtering operation in the first application, the displaying displays the second thumbnail, the fourth thumbnail, a fifth thumbnail of the fifth content and a sixth thumbnail of the sixth content on the display to arrange the second thumbnail, the fourth thumbnail, the fifth thumbnail and the sixth thumbnail two-dimensionally, both the second and fifth thumbnails that are created in the first time period are arranged in accordance with the first display region on the first direction, both the fourth and sixth thumbnails that are created in the second time period are arranged in accordance with the second display region on the first direction, in the first display region, the second and fifth thumbnails are arranged along the second direction in a chronological order, and in the second display region, the fourth and sixth thumbnails are arranged along the second direction in a chronological order.

8. The method of claim 5 , wherein the first application is the application to input handwriting, enlarging a content corresponding to one of the thumbnails that is selected in accordance with a user's tap operation on the display and displaying the enlarged content on a preview screen; and editing the content by writing a handwritten stroke on the enlarged content on the basis of a user's handwriting operation and changing the selected one of the thumbnails to an image of handwriting included in the content.